Prince Tommaso of Savoy, 2nd Duke of Genoa (Tommaso Alberto Vittorio; 6 February 1854 – 15 April 1931), who is also known as Thomas Albert Victor of Savoy, was an Italian royal prince, nephew of Victor Emmanuel at the time the King of Sardinia, who on 18 February 1861 became the first King of a united Italy. His cousin and brother-in-law Umberto I and his nephew Victor Emmanuel III became subsequent kings of Italy.